add a toolkit function to find lanes to the left/right of turn lanes

src/util/guidance/turn_lanes.cpp

@@ -12,24 +12,24 @@ namespace util
 {
 namespace guidance
 {
-LaneTupel::LaneTupel() : lanes_in_turn(0), first_lane_from_the_right(INVALID_LANEID)
+LaneTuple::LaneTuple() : lanes_in_turn(0), first_lane_from_the_right(INVALID_LANEID)
 {
     // basic constructor, set everything to zero
 }
 
-LaneTupel::LaneTupel(const LaneID lanes_in_turn, const LaneID first_lane_from_the_right)
+LaneTuple::LaneTuple(const LaneID lanes_in_turn, const LaneID first_lane_from_the_right)
     : lanes_in_turn(lanes_in_turn), first_lane_from_the_right(first_lane_from_the_right)
 {
 }
 
 // comparation based on interpretation as unsigned 32bit integer
-bool LaneTupel::operator==(const LaneTupel other) const
+bool LaneTuple::operator==(const LaneTuple other) const
 {
     return std::tie(lanes_in_turn, first_lane_from_the_right) ==
            std::tie(other.lanes_in_turn, other.first_lane_from_the_right);
 }
 
-bool LaneTupel::operator!=(const LaneTupel other) const { return !(*this == other); }
+bool LaneTuple::operator!=(const LaneTuple other) const { return !(*this == other); }
 
 } // namespace guidance
 } // namespace util